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    • 96. 发明专利
    • Positive radiation sensitive resin composition, interlayer insulating film and method for forming the same
    • 正性辐射敏感性树脂组合物,层间绝缘膜及其形成方法
    • JP2011095433A
    • 2011-05-12
    • JP2009248332
    • 2009-10-28
    • Jsr CorpJsr株式会社
    • HANAMURA MASAAKIMURATA MEGUMIARAI MASAFUMI
    • G03F7/023C08F12/02C08F20/02
    • PROBLEM TO BE SOLVED: To provide a positive radiation sensitive resin composition, from which an interlayer insulating film can be formed, the film having high radiation sensitivity and development margin and excellent heat resistance, solvent resistance, low dielectric property, transmittance for rays, resistance against light and resistance against dry etching. SOLUTION: The positive radiation sensitive resin composition contains [A] an alkali-soluble resin having a hindered amine structure and/or a hindered phenol structure and [B] a 1,2-quinone diazide compound. The component [A] can be preferably a copolymer obtained from (a1) at least one kind of monomer selected from unsaturated carboxylic acid and unsaturated carboxylic acid anhydride and (a2) an acrylic acid ester unit containing a hindered amine structure and/or a hindered phenol structure, and in addition to the compounds of (a1) and (a2), (a3) a monomer containing an epoxy group-containing unsaturated compound. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:为了提供可以形成层间绝缘膜的正辐射敏感性树脂组合物,该膜具有高的辐射敏感性和显影边缘,并且具有优异的耐热性,耐溶剂性,低介电性,对于 光线抗光,耐干蚀刻。 解决方案:正射线敏感性树脂组合物含有[A]具有受阻胺结构和/或受阻酚结构的碱溶性树脂,[B] 1,2-醌二叠氮化合物。 组分[A]可以优选是由(a1)至少一种选自不饱和羧酸和不饱和羧酸酐的单体获得的共聚物和(a2)含有受阻胺结构和/或受阻的丙烯酸酯单元 苯酚结构,除(a1)和(a2)的化合物外,(a3)含有含环氧基的不饱和化合物的单体。 版权所有(C)2011,JPO&INPIT